Pantech G310 Service Manual
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Contents | 
G310 Service ManualPANTECH R&D CONFIDENTIAL396.2.5 Hook Switch not working1. Check to see if U111.5 pin is 2.8V : CP1292. Check to see if U111.1 pin is 0V during pressing Hook Switch : CP1303. Check to see if U111.3 pin is around 0.3V : CP131NO Æ Check that R109 and R110 cold solder, broken, short to the other PCB pattern or notIf you find out any defect, you replace it4. Check to see if U111.4 pin is around 0V, when you press Hook Switch : CP132NOÆ Check that U111 cold solder, broken, short to the other PCB pattern or notIf you find out any defect, you replace itCP131CP129CP132CP130CP129CP130CP131CP132CP127CP126 |
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